71388890 (number)

71388890 is an even 8-digits composite number following 71388889 and preceding 71388891. In scientific notation, it is written as 7.1388890 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 26676864 positive integers (up to 71388890) that are relatively prime to 71388890.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eighty-eight thousand eight hundred ninety

Notation

Scientific notation 7.1388890 × 10^7
Engineering notation 7.1388890 × 10^6

Prime Factorization of 71388890

Prime Factorization 2 × 95 × 73 × 5147

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71388890
Product of the distinct prime numbers

The prime factorization of 71388890 is 2 × 95 × 73 × 5147. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 89, 90, 664, 554, 5080, 4879, 84377, 2065, 502464, 390799, 459836, 4661606, 4504968, 24087904, 27169316, 175545294, 5120957197, 2933392509

Basic calculations (n = 71388890)

Multiplication

n×y
n×2 142777780
n×3 214166670
n×4 285555560
n×5 356944450

Division

n÷y
n÷2 35694445
n÷3 23796296.666667
n÷3 17847222.5
n÷5 14277778

Exponentiation

ny
n2 5096373615432100
n3 3.6382445543098E+23
n4 2.5973024028072E+31
n5 1.8541853553074E+39

Nth Root

y√n
2√n 8449.1946361769
3√n 414.83641881195
4√n 91.919500848171
5√n 37.215694318561

Divisors of 71388890

1, 2, 73, 95, 146, 190, 5147, 6935, 10294, 13870, 375731, 488965, 751462, 977930, 35694445, 71388890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71388889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71388890 can be divided by 16 positive divisors. The sum of these divisors (counting 71388890) is 1, the average is 0.0625.

Base conversion 71388890

Base System Value
2 Binary 100010000010100111011011010
3 Ternary 11222022221010222
4 Quaternary 10100110323122
5 Quinary 121233421030
6 Senary 11030040042
8 Octal 420247332
10 Decimal 71388890
12 Duodecimal 1baa9022
16 Hexadecimal 4414eda
20 Vigesimal 1263c4a
36 Base36 16i40q

Cryptographic Hash Functions

md5 38dfda7c2ab48d9e9654e3a35fdb9519
sha1 cb6cd1ac8dcbb54c3ad301289a74bc5da55efc98
sha256 bea90bd41244fad25d0cdc54ac6af87d305e0566d51041d6fc71115f9f06bd02
sha512 f6f861bb957704fddc073eb438feac9d321f19d5f9b87bfc02a804443cf6786c01d02fe9981bd3a8a0475a4b2ac1e04eaafd3da2e883fc5bb6ee491d74f1a19b
ripemd-160 02d36ebdda4edefffbb66c444880029ec1213438

71388890 as geometric shapes

Circle

Radius = n
Diameter 142777780
Circumference 448549624.74386
Area 1.601072991019E+16

Sphere

Radius = n
Volume 1.5239843151711E+24
Surface area 6.4042919640761E+16
Circumference 448549624.74386

Square

Length = n
Perimeter 285555560
Area 5096373615432100
Diagonal 100959136.44076

Cube

Length = n
Surface area 30578241692592600
Volume 3.6382445543098E+23
Space diagonal 123649184.57595

Equilateral Triangle

Length = n
Perimeter 214166670
Area 2.2067945090705E+15
Altitude 61824592.287973

Triangular Pyramid

Length = n
Surface area 2.2067945090705E+15
Volume 4.2877123266125E+22
Height 33653045.480254